Schema Evolution publication categorizer

... KB We examine the problem of type evolution in an object-oriented database environment. Type definitions are persistent objects in the database and as such may be modified and shared. The effects of changing ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 1 attachment

... systems support updates operations via special APIs. In all update languages the content and the structure of documents can be ... the XML schema after or during accomplishing an update. In this article, we suggest different architectures for processing such ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments

... applications building on Semantic Web technology. In this paper we first present the conceptual architecture underlying ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments

... of heterogeneous data such as XML over the Web or in XML databases. By means of mappings from source to target schemas, Clio can ... precise semantics of data transformation and integration. In this paper we study the problem of how to efficiently implement such data ...

Publication - erhard - 06/15/2023 - 06:42 - 0 comments - 1 attachment

... the similarity between sets of annotated instances. In this paper we study how the choice of co-occurrence measures affects the ... study shows excellent results of instance-based matching in general, where the more simple measures often outperform more sophisticated ...

Publication - cat - 06/15/2023 - 06:42 - 0 comments - 0 attachments

... to the state of the art ontology matching technology. In this paper, we propose a divide-and-conquer approach to matching large ... V-DOC and GMO, are employed to discover alignments in the block mappings. Comprehensive evaluation on both synthetic and real ...

Publication - massmann - 06/15/2023 - 06:42 - 0 comments - 0 attachments

... BIS conference' Workshop, 1st Workshop on Advances in Accessing Deep Web (ADW 2008), Innsbruck, Austria 5-7 May 2008. CEUR ... challenges to be solved. Among them is schema matching. In this paper, we build a conceptual connection between the schema matching ...

Publication - alsayed - 09/13/2022 - 17:45 - 0 comments - 0 attachments

... class extensions and types is an essential task in database design. In the context of view integration and schema integration for federated ... be merged. Inheritance hierarchies often occur explicitly in object-oriented databases as well as implicitly in relational databases. ...

Publication - cat - 09/13/2022 - 17:45 - 0 comments - 0 attachments

... integration and schema evolution into one framework. In previous work we have developed a general framework to support schema transformation and integration in heterogeneous database architectures. Here we show how this framework also ...

Publication - cat - 09/13/2022 - 17:45 - 0 comments - 0 attachments

... process would be to train a classifier for each category in the master taxonomy, and then classify objects from the source taxonomy into these categories. In this paper we attempt to use a powerful classification method, Support ...

Publication - cat - 07/03/2022 - 23:42 - 0 comments - 1 attachment

... that can be made by querying a database system, and, in particular, look at which observations are valid for a particular database ... being merged. However we establish that one cannot, in general, find a meaningful binary merging operator which is associative, ...

Publication - huliganka - 07/03/2022 - 23:42 - 0 comments - 0 attachments

... We are concerned by schema evolution in Object Oriented Databases (OODB) that is processed by a modification on the ... a new categorization of the different modifications in three categories : primitive, composite and complexe modifications. On ...

Publication - cat - 07/03/2022 - 23:42 - 0 comments - 0 attachments

... heterogeneous data, managing several data models in one integrated backend. Yet one of the many challenges these systems face is evolution management. In our demonstration, we present our prototype implementation of a tool called ...

Publication - cat - 04/17/2022 - 19:21 - 0 comments - 0 attachments

... even altogether schema-free. They allow to store datasets in different structural versions to co-exist. Yet even when the database ... about the structure of the stored data. For instance, in Figure 1, the Java code in lines 1 through 9 implies a schema: An entity for ...

Publication - cat - 04/17/2022 - 19:15 - 0 comments - 0 attachments

... naturally alongside the application code. Especially in agile development, new application releases are deployed frequently. ... the migration of versioned legacy data which is persisted in the cloud-hosted production database. We address this schema evolution ...

Publication - cat - 04/17/2022 - 18:58 - 0 comments - 0 attachments

... These ontology-based mappings and annotations are used in many applications and analysis tasks. Since biomedical ontologies are ... approaches to keep ontology-based mappings up-to-date in the presence of evolving ontologies. In this article, we survey current ...

Publication - cat - 01/23/2018 - 14:38 - 0 comments - 0 attachments

... Proc. 10th Intl. Conference on Data Integration in the Life Sciences (DILS) Citations ... of new insights and knowledge affects specific portions in ontologies and thus leads to their adaptation. Therefore, it is valuable to ...

Publication - cat - 01/23/2018 - 14:35 - 0 comments - 0 attachments

... Proc. 9th Intl. Conference on Data Integration in the Life Sciences (DILS) Citations ... We propose two approaches for tackling this problem in a largely automatic way: (1) a composition-based adaptation relying on ...

Publication - cat - 01/23/2018 - 14:33 - 0 comments - 0 attachments

... Proc. of 15. GI-Fachtagung für Datenbanksysteme in Business, Technologie und Web (BTW) ...

Publication - cat - 01/23/2018 - 14:29 - 0 comments - 0 attachments

... to support data integration and analysis tasks. Changes in the ontologies also require the adaptation of ontology mappings. So far the ... attention albeit ontologies change continuously especially in the life sciences. We therefore analyze how mappings between popular life ...

Publication - hartung - 01/23/2018 - 14:25 - 0 comments - 0 attachments

... to support data integration and analysis tasks. Changes in the ontologies also require the adaptation of ontology mappings. So far the ... attention albeit ontologies change continuously especially in the life sciences. We therefore analyze how mappings between popular life ...

Publication - cat - 01/23/2018 - 14:23 - 0 comments - 0 attachments

... Such a Diff supports the synchronization of changes in collaborative curation, the adaptation of dependent data such as ... entire subgraphs. The proposed algorithm is customizable in different ways to meet the requirements of diverse ontologies and ... be used for version management and annotation migration in collaborative curation. (Diff, Journal, Ontology evolution, Research ...

Publication - hartung - 01/22/2018 - 09:28 - 0 comments - 0 attachments

... them (eg, search engines and decision support systems) in order to assure an acceptable level of performance. Despite the recent advances in ontology evolution systems, the maintenance of semantic annotations remains an open problem. In this paper, we introduce, based on previous experiments, the main ...

Publication - cat - 01/21/2018 - 12:16 - 0 comments - 0 attachments

... Data Integration in the Life Science (DILS) Citations ... terminologies and ontologies is of high importance in the life sciences to enhance semantic interoperability, information ... tools to automatically determine possible annotations. In this study, we comparatively evaluate the quality of two such tools, cTAKES ...

Publication - cat - 01/21/2018 - 12:06 - 0 comments - 0 attachments

... with concepts of standardized vocabularies and ontologies. In the medical domain, many documents are not annotated at all and manual ... a reuse-based annotation approach that clusters items in medical documents according to verified ontology-based annotations. We ...

Publication - cat - 01/21/2018 - 12:06 - 0 comments - 0 attachments